Online labs provide your students with the possibility to conduct scientific experiments in an online environment. Remotely-operated labs (remote labs) offer an opportunity to experiment with real equipment from remote locations. Virtual labs simulate the scientific equipment. Data sets present data from already performed lab experiments. Please use the filters on the right to find appropriate online labs for your class. Labs can be combined with dedicated Apps to create Inquiry Learning Spaces (ILSs).

If you are looking for online labs especially suitable for the curricula of Benin, Kenya or Nigeria, please visit our Collections page.

## Electrical Circuit Lab

Rating: 3.6 - 5 votes

In the Electrical Circuit Lab students can create their own electrical circuits and do measurements on it. In the circuits the students can use resistors, light bulbs, switches, capacitors and coils. The circuits can be powered by a AC/DC power supply or batteries.

## Gravity Force Lab

Rating: 3 - 1 votes

This lab allows the user to visualise the gravitational force that two objects exert on each other. It is possible to change properties of the objects in order to see how that changes the gravitational force between them.

## Craters On Earth And Other Planets

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In this lab, pupils can simulate the impact of an object (e.g., an asteroid) on the Earth, Moon or Mars. They can vary parameters such as the diameter, density and velocity of the projectile and see the characteristics of the resulting crater.

## Gearsketch

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A drawing-based learning environment for the gears domain. The primary aims of the lab are: Let students to explore the ways in which gears and chains transmit motion.

## Build An Atom

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Build an atom out of protons, neutrons, and electrons, and see how the element, charge, and mass change. Then play a game to test your ideas!

## 3D Vector Plotter

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This virtual lab works as an interactive plot of 3D vectors. The user can observe how two vectors are related to their resultant, difference and cross product.

## The Color Of The Light

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You will see that there is a difference between reality and theory.

## Vcise: Drosophila Melanogaster Genetics Experiment

Rating: 2 - 77 votes

Demonstrate the evolution of the drosophila melanogaster along various generations. The flies are genetically modified.

## Forces And Motion: Basics

Rating: 2 - 1 votes

Explore the forces at work when pulling against a cart,and pushing a refrigerator, crate, or person. Create an applied force and see how it makes objects move. Change friction and see how it affects the motion of objects.Aims of the lab:

## Galaxy Crash

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Students are asked to make predictions on how galaxies form and evolve in the Universe. They will use the ‘Galaxy Crash’ tool to simulate the evolution of 2 disc galaxies over time, and see if the results match their predictions.

## Island Biogeography

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This model simulates MacArthur & Wilson's 1963 Island Biogeography Equilibrium paper. You can run virtual experiments manipulating the following: island size, distance from mainland, habitat type, and species types (e.g. birds, arthropods, etc.).

## Ph Scale

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Test the pH of things like coffee, spit, and soap to determine whether each is acidic, basic, or neutral. Visualize the relative number of hydroxide ions and hydronium ions in solution. Switch between logarithmic and linear scales.

## Energy Skate Park: Basics

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Learn about conservation of energy with a skater dude! Explore different tracks and view the kinetic energy, potential energy and friction as he moves. Build your own tracks, ramps and jumps for the skater. Aims of the lab:

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The Radioactivity Lab examines the intensity of radiation over distance, demonstrating the effects of the inverse square law.

## Fishbowl Population Genetics

Rating: 2 - 1 votes

This model is an agent-based population genetics simulation. The program contains the tools to conduct virtual experiments violating all the assumptions of Hardy-Weinberg theory (small population, selection, mutation, migration, and non-random mating).

## Phase Change

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Explore what happens at the molecular level during a phase change. The three common physical states of matter (also called phases) are solid, liquid and gas. Matter can change phase with the addition or subtraction of heat. Molecules are always in motion.

## Building Atomic Orbitals

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Atomic orbitals are mathematical functions that describe the properties of electrons in atoms.Using this lab, you will learn how to build atomic orbitals according to the general principals involved and you will also be able to visualize their shapes.

## Determination Of Emf Of A Cell

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Our objective is to study the variation of cell potential of Zn│Zn2+ ││Cu2+│Cu cell with change in the concentration of electrolytes (CuSO4 and ZnSO4) at room temperature. Students understand the terms, electrochemical cell, electrolytic cell, Daniell cell, salt bridge, EMF.

## Segway Control Simulation

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The Segway a two-wheeled, self-balancing individual electric vehicle.

## Methyl Orange

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Methyl orange is an orange, azoic dye and is used as pH-indicator, with a transition range from 3.1 to 4.4, as well as for dyeing and printing textiles. In this remote lab students can examine the synthesis of methyl orange.

## The Faulkes Telescope Project

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The Faulkes Telescope Project provides access free-of-charge via the internet to robotic telescopes and a fully supported education programme to encourage teachers and students to engage in research-based science education.

## Estimating Population Size

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Knowing how many individuals are in a population can be critical. How can you tell how many there are when there are too many to count? This model simulates a pond of tadpoles. The population size can be estimated in three ways: direct sampling, sampling with removal, and mark/recapture.

## Archimedes' Principle

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With this remote experiment students will understand the principle of objects floating and sinking in liquids, study the Archimedes Principle – displacement of liquids by floated objects, weight in liquids, buoyancy force.

## Star In A Box

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Star in a Box is an interactive webapp which animates stars with different starting masses as they change during their lives. Some stars live fast-paced, dramatic lives, others change very little for billions of years.

## Sexual Selection In Guppies

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This model simulates Endler's 1980 classic experiment on the balance of sexual selection and natural selection. In guppies, females prefer to mate with males that have lots of spots, but those males are more easily seen by predators.

## Our Acidifying Ocean

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The Our Acidifying Ocean lab explores the chemistry of ocean acidification and its impacts on sea urchin larvae through interactive models, a virtual lab bench, and a microscope measurement tool. The primary aims of the lab are: Our virtual labs and activities serve many purposes.

## Osmotic Power Lab

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This lab can be used to grasp the concepts of power generation in an osmotic power plant. It is based on a simple model which incorporates geographical parameters. Students can choose a location for their osmotic power plant and compare it to the prototype in Norway.

## Blackbody Radiation Lab

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From the theory is known that the energy which is radiated outward radically in three-dimensional space from a source is inversely proportional with the square of the distance from the source. This process is known as the Inverse square law.

## Biomagnification

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In 1962, Rachel Carson published 'Silent Spring', which drew attention to how the use of pesticides was indirectly decimating bird populations by causing thinning of egg-shells.

## Simple Harmonic Oscillator Simulation

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The Simple Harmonic Oscillator JS Model displays the dynamics of a ball attached to an ideal spring.  The spring is initially stretched and the ball has zero initial velocity.  The initial position of the ball can be changed by click-dragging the ball when the simulation is paused.

## Ohm's Law

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See how the equation form of Ohm's law relates to a simple circuit. Adjust the voltage and resistance, and see the current change according to Ohm's law. The sizes of the symbols in the equation change to match the circuit diagram. Sample Learning Goals

## Under Pressure

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Explore pressure under and above water. See how pressure changes as you change fluids, gravity, container shapes, and volume. Primary aims of the lab:Investigate how pressure changes in air and water.Discover how you can change pressure.

## Protein Folding

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Explore how hydrophobic and hydrophilic interactions cause proteins to fold into specific shapes. Proteins, made up of amino acids, are used for many different purposes in the cell. The cell is an aqueous (water-filled) environment.

## Microcosm

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This model is a simulation which draws upon Gauss' (1934) classic experiments with protists. In this virtual petri dish, you can add bacteria, two species of Paramecium, and a predator. The two Paramecium (P. aurelia & P. bursaria) species compete for resources.

## Satellite/moon/comet Trajectories

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This lab aims at helping students visualise Kepler's Second Law using true examples. Starting from acquired data from NASA on moving bodies in space: a satellite, a comet, and a moon; the lab plots their respective trajectories in 2D (x-y representation).

## Circumstellar Habitable Zone Simulator

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The NAAP Habitable Zones Lab introduces the basic conditions thought necessary for life to exist, and explores where in the universe those conditions are most likely to be met.

## Planets

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'Planets' is a web app created to help understanding the night sky. Unsurprisingly it's focused only on Solar System planets and our Moon.

## Interactive Meteosat

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The European Space Agency (ESA) is Europe’s gateway to space. Its mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world.

## VISIR

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The VISIR system provides an extraordinarily flexible environment in which students can construct and test different circuits.

## Hertzsprung-Russell Diagram Explorer

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The NAAP HR Diagram Lab explores the Hertzsprung-Russell diagram and those areas necessary to understand the diagram such as (but not limited to) the different kinds of spectrum, spectral classification, and luminosity class.

## Worldwide Telescope

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The WorldWide Telescope is a rich visualization environment that functions as a virtual telescope, bringing together imagery from the best ground- and space-based telescopes to enable seamless, guided explorations of the universe.

## Mutations

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Explore how changing the DNA sequence can change the amino acid sequence of a protein. Proteins are composed of long strings of amino acids. Proteins are coded for in the DNA. DNA is composed of four different types of nucleotides.

## Kinetic Molecular Theory

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Kinetic Molecular Theory describes the behaviour of tiny gas particles, which are too small to be seen even with the strongest microscope. Kinetic means "motion," so the theory is all about particles moving!

## Dna To Protein

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Explore how the code embedded in DNA is translated into a protein. The process of converting the information in DNA into protein is a two-step process, involving transcription and translation. In transcription, an mRNA copy is made of the DNA.

## Tragedy Of The Commons

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Garrett Hardin (1968) described how multiple individuals acting in their own interests, while exploiting a common resource, will inevitably overexploit the resource. This model illustrates the concept in a common field where four farmers are grazing cattle.

## Gas Laws

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The Gas Laws bring together temperature, volume and pressure and help us to see how these factors are related.

## Habitat Fragmentation

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This model is an agent-based population genetics simulation. The program contains the tools to conduct virtual experiments violating all the assumptions of Hardy-Weinberg theory (small population, selection, mutation, migration, and non-random mating).

## Mark And Recapture

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The number of individuals in a population, or population size, is perhaps the most important thing to know about a population.

## Wind Energy Simulation

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Welcome to the GoLab Wind Energy Simulation. Take control of a wind farm to provide electricil energy to a small town. Understand how random changes - in wind speed and power requirement of the town - affect the use of this natural energy resource.

## Hy.p.a.t.i.a. - Hybrid Pupils' Analysis Tool For Interactions In Atlas

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HYPATIA is an event analysis tool for data collected by the ATLAS experiment of the LHC at CERN.

## Ph Scale: Basics

Rating: 5 - 1 votes

Test the pH of things like coffee, spit, and soap to determine whether each is acidic, basic, or neutral. Visualize the relative number of hydroxide ions and hydronium ions in solution. Switch between logarithmic and linear scales.

## Phase Change I

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Phase Changes are changes of state, such as the change from liquid to gas, solid to liquid, or gas to liquid. When we heat particles, why are they able to change their state?

## Diffusion

Rating: 3 - 2 votes

Diffusion describes how particles of matter move through other liquids and gases (including air). Diffusion explains how the mass of particles and temperature are related to how quickly particles spread out over an area.

## Hooke's Law

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Stretch and compress springs to explore the relationships between force, spring constant, displacement, and potential energy! Investigate what happens when two springs are connected in series and parallel.

## Hydrogen Atom Simulator

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The NAAP Hydrogen Energy Levels Lab introduces the concept of how quantum mechanics and light relate with respect to the Hydrogen atom. The Energy Levels simulator allows dynamic interaction with a Bohr model version of a single Hydrogen atom.

## Molecules And Light

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Do you ever wonder how a greenhouse gas affects the climate, or why the ozone layer is important? Use the sim to explore how light interacts with molecules in our atmosphere.

## Random Genetic Drift

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This model is an adaptation of the classic experiment conducted by Peter Buri (1956), which documented genetic drift in laboratory populations of Drosophila.

## Boole-Deusto + Weblab-Deusto Digital Systems

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Digital systems are everywhere. For instance, a computer is a digital system. This experiment shows the principles of digital systems and devices. This remote lab is not about science, it is about engineering (and technology): design, implementation and analysis of digital systems.

## Building Inorganic Molecules

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This lab will help you learn how to build inorganic molecules. You will also be able to investigate the nature of the bonds between the atoms and how are electrons placed.

## Barnacle Competition

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Connell's 1961 classic competition experiment is modeled. You can explore the fundamental and realized niches of two species of barnacles, Chthamalus and Balanus. One species can grow at a wider range in depth but can be outcompeted, while the other species is limited to deeper rock.

## Concentration

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Watch your solution change color as you mix chemicals with water. Then check molarity with the concentration meter. What are all the ways you can change the concentration of your solution?

## Stream Diversity

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This simple model simulates seining a stream for animal life. Sixteen species of;invertebrates wash down the stream. When the seine is open they may get caught and separated into buckets.

## Random Genetic Effects

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This model is an adaptation of the classic experiment conducted by Peter Buri (1956), which documented genetic drift in laboratory populations of Drosophila.

## Sun4All

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Sun 4 all is a set of experiences using the repository of Solar Images taken by the Observatory of Coimbra since 1926. There are 30 000 spectroheliograms.

## Planetary Orbit Simulator

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The NAAP Planetary Orbits Lab is designed to facilitate understanding of Kepler's Three Laws of Motion as well as how velocity and force relate to the orbits. The user can manipulate the orbital properties of a fictional planet and read off various orbital parameters.

## The Hertzsprung-Russell Diagram

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A full-featured simulator for exploring the axes of the HR Diagram and the sizes of stars at various locations.

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Light a light bulb by waving a magnet. This demonstration of Faraday's Law shows you how to reduce your power bill at the expense of your grocery bill.

## Long Jump

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This work presents a simulation of sport action over a physical and mathematical point of view. From this lab students can not only learn about physical phenomena but also how to see the practical side of the theory.

## Molecule Shapes: Basics

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Explore molecule shapes by building molecules in 3D! Find out how a molecule's shape changes as you add atoms to a molecule.The primary aims of the lab are:1) Recognize that molecule shape is due to repulsions between atoms

## Sexual Selection In Guppies (Html5)

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This lab is an abridged Html5 version of the Java applet lab Sexual Selection in Guppies. It has been optimized to work with tablet computers.

## Elvis/op – Amp Labs

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This lab allows users to perform some experiments with an OP Amplifier. There are four real instruments connected to a PC over GPIB (scope, function generator, variable power supply and a digital multi-meter).

## Radial Velocity Simulator

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The NAAP Extrasolar Planets Lab introduces the radial velocities of singular planetary systems and introduces the concept of noise and detection.

## Bee Foraging

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This model simulates foraging behavior of honeybees. It is designed to illustrate Charnov's (1976) Marginal Value Theorem, which predicts how long an animal should forage in a given patch. The user can modify environmental conditions and the time-per-flower for two different bees.

## Friction Lab

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Demonstrate the friction law.

## Building Organic Molecules

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Using the GoLab Molecule Builder you can explore the properties and nature of 20 different organic molecules.

## Orfeus Earthquake Data Center

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Get access to Earthquake data around the world!

## Sunlight, Infrared, Co2 And The Ground

Rating: 2 - 1 votes

How does solar radiation interact with the Earth and its atmosphere to cause global warming? Use this lab to see what’s going on at the molecular level.

## The Volume-Pressure Relationship

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Investigate the relationship between the volume of a gas and the pressure it exerts on its container. This relationship is commonly known as Boyle's Law. The pressure of a gas tends to decrease as the volume of the gas increases. Primary aims of the Lab:

## Ptolemaic System Simulator

Rating: 1 - 1 votes

This simulator demonstrates how Ptolemy's geocentric model acocunts for the movements of planets. In this model the sum moon and planets orbit th estationary Earth.

## Plant Diversity

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This model simulates MacArthur & Wilson's 1963 Island Biogeography Equilibrium paper. You can run virtual experiments manipulating the following: island size, distance from mainland, habitat type, and species types (e.g. birds, arthropods, etc.).

## Phase Change Ii

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Phase Changes are changes of state, such as the change from liquid to gas, solid to liquid, or gas to liquid. When we heat particles, why are they able to change their state?

## Boiling Point

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While all molecules are attracted to each other, some attractions are stronger than others. Non-polar molecules are attracted through a London dispersion attraction; polar molecules are attracted through both the London dispersion force and the stronger dipole-dipole attraction.

## Starorf

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This lab helps to identify the sequences within a DNA region that encode proteins. DNA can be read in six possible reading frames, 3 in the forward direction and 3 in the reverse direction.

## What Is Pressure?

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Explore pressure at the atomic level. All matter is made up of atoms, which make up molecules. These atoms and molecules are always in motion. When atoms and molecules are contained, we can measure the amount of pressure they exert on the container.

## Eclipsing Binary Simulator

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The NAAP Eclipsing Binary Stars Lab demonstrates how information about stars which can not be directly observed can be inferred from a special class of binary stars – eclipsing binaries.

## Variable Star Photometry Analyzer

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The NAAP Variable Star Photometry Lab introduces variable stars – Eclipsing Binaries, Cepheids, and RR Lyrae. Topics include how images of stars are processed, variable stars identified, and the properties of the variable stars determined.

## Neuron

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Stimulate a neuron and monitor what happens. Pause, rewind, and move forward in time in order to observe the ions as they move across the neuron membrane.

## Ocean Acidification

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This applet models the relationship between atmospheric CO2 and average surface ocean pH.

## Oil And Water

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Explore the interactions that cause water and oil to separate from a mixture. Oil is a non-polar molecule, while water is a polar molecule. While all molecules are attracted to each other, some attractions are stronger than others.

## Modeling Transcription

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Explore how an mRNA copy is made of DNA. Protein complexes separate the DNA helix to allow complementary mRNA nucleotides to bind to the DNA sequence. The pairing of nucleotides is very specific.The primary aim of the lab is:1) To learn about DNA and nucleotides

## Conversion Of Light Energy Into Electrical Energy

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The light energy reaches the solar cell and is converted into electricity by the photovoltaic effect.The solar cell converts light energy into electricity. The amount of energy is directly related to the intensity of light that strikes the cell.

## Lxi-Visir Deusto: Ac Circuits

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LXI-VISIR for AC circuits is a remote laboratory that allows students to create various circuits with resistors (1 kohm and 10 kohm), capacitors and diodes. The circuit is powered by function generator and measured with  an oscilloscope and multilemeter.

## The Temperature-Volume Relationship

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Explore the relationship between the temperature of a gas and its volume. This is commonly known as Charles's Law. The volume of a gas tends to increase as the temperature increases. Primary aims of the Lab: 1) To learn about Charles's Law

## Logistic Growth

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This model illustrates resource-limited population growth. Populations have a per-capita growth rate and carrying capacity. Two populations are compared on three graphs: N vs time, dN/dt vs N, and dN/Ndt vs N.

## Hydrogen Bonds

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Despite the “bond” name, hydrogen bonds are a special type of dipole-dipole interaction.

## Convection: The Stack Effect

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Most buildings have leaky places where air can enter or escape – around windows, ceiling openings like pipes, wires or chimneys, and construction joints such as where the wall meets the floor or the floor rests on the foundation.

## Euglena Bioloab

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Observe and interact with microscopic organism in real time.

## The Photoelectric Effect

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This applet simulates von Lenard's and Millikan's experiments which provided the experimental understanding of the photoelectric effect and eventual acceptance (albeit reluctant) of Einstein's quantum hypothesis.

## Planetary Climates: A Delicate Balance

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Climate is regulated by the delicate balance of incoming and outgoing electromagnetic radiation. This applet first explores the climatic condition of various planets, focusing on Mars, Venus, and Earth.

## Molecule Shapes

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Explore molecule shapes by building molecules in 3D! How does molecule shape change with different numbers of bonds and electron pairs? Find out by adding single, double or triple bonds and lone pairs to the central atom. Then, compare the model to real molecules!